MUSCLES: Upper limb?

Question

How many muscles are there in the upper limb?

Answer 1

upperlimb consist of,

1.arm -5 muscles

          1  biceps brachii

          2  brachialis

          3 corachobrachialis

          4 triceps brachii

          5  anconeus

2.fore arm-  8 muscles on the anterior surface

                     11 muscles on th posterior aspect

3.hand - 18 muscles

so, all together there are 42  muscles in the upper limb

Answer 2

It's difficult to say considering that the number of erector pilae muscles will vary from one individual to the next.